Name the Following: a Metallic Oxide Which Reacts with Hydrochloric Acid to Give a Coloured Solution. - Chemistry

Name the following:
A metallic oxide which reacts with hydrochloric acid to give a coloured solution.

One Line Answer

K₂Cr₂O₇ reacts with hydrochloric acid to give a coloured solution.

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General Preparation of Hydrogen Chloride Gas

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Chapter 8: Study of Compounds-I: Hydrogen Chloride - Exercise 1 [Page 198]

Chapter 8 Study of Compounds-I: Hydrogen Chloride
Exercise 1 | Q 1.13 | Page 198

Dry hydrogen chloride gas can be collected by ________ displacement of air. (downward / upward)

Write an equation for the reaction of hydrochloric acid on the silver nitrate solution.

How will the action of dilute hydrochloric acid enable you to distinguish between sodium thiosulphate and sodium sulphite?

Convert two soluble metallic nitrates to insoluble metallic chlorides using dil. HCl.

Name the following:
Salt obtained by heating sodium chloride with concentrated sulphuric acid below 200 degree celcius.

Name the following:
A chemical in which gold can be dissolved.

Write observation:

Lead nitrate solution is mixed with dilute hydrochloric acid and heated.

State which of the two - a solution of HCl in water or in toluene is an electrolyte. Explain.

Write an equation for the reactions of hydrochloric acid on manganese (IV) oxide.